Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9LDT callsign genealogy
Currently held by Koch, Andrew A
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K9LDT's current licensee, walking backwards.
- Koch, Andrew AFLgranted 2003-10-31cancelled 2004-02-24
Successor callsigns
Callsigns held now by people who previously held K9LDT.
No current licensee on record previously held this callsign.